First-level division
🇮🇳 Tamil Nadu
State of Tamil Nadu
Subdivisions
Chennai district
Population 4,646,732
Kanchipuram
Population 3,998,252
Thiruvallur District
Population 3,728,104
Salem district
Population 3,482,056
Villupuram
Population 3,458,873
Coimbatore district
Population 3,458,045
Tirunelveli
Population 3,077,233
Madurai
Population 3,038,252
Trichinopoly District
Population 2,722,290
Cuddalore
Population 2,605,914
Chengalpattu district
Population 2,556,423
Tiruvannamalai
Population 2,464,875
Thanjavur
Population 2,405,890
Erode
Population 2,251,744
Dindigul
Population 2,159,775
Virudhunagar
Population 1,942,288
Krishnagiri
Population 1,879,809
Kanniyakumari
Population 1,870,374
Tuticorin
Population 1,750,176
Namakkal
Population 1,726,601
Kallakurichi district
Population 1,682,687
Pudukkottai
Population 1,618,345
Nagapattinam
Population 1,616,450
Vellore district
Population 1,614,242
Dharmapuri
Population 1,506,843
Tenkasi district
Population 1,407,627
Ramanathapuram
Population 1,353,445
Sivaganga
Population 1,339,101
Thiruvarur District
Population 1,264,277
Theni District
Population 1,245,899
Ranipet district
Population 1,210,277
Tirupattur district
Population 1,111,812
Karur
Population 1,064,493
Mayiladuthurai district
Population 918,356
Ariyalur District
Population 754,894
Nilgiris District
Population 735,394
Perambalur
Population 565,223
Tiruppur